package com.bcx.crm.java.collection.array;

import java.util.*;

/**
 * Created by ys on 2018/3/2.
 */
public class ArrayClassProtice1 {
    public static void main(String[] args) {
        int [] arr = {1,5,6,233,3};
        int max = Math.max(234, 4);
        System.out.println(max);

        //collection : list
        List<String> arrayList = new ArrayList<>();
        List<String> linkedList =  new LinkedList<>();
        Vector<Object> vector = new Vector<>();
        Iterator<String> iterator = arrayList.iterator();
        Iterator<String> iterator1 = linkedList.iterator();
        Iterator<Object> iterator2 = vector.iterator();

        //collection : set
        //map
        vector.add("");


    }
}
